#!/bin/sh

# Copyright (C) 1996 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

if test -r "$2"; then
    if cmp "$1" "$2" > /dev/null; then
        echo "$2" is unchanged
        rm -f "$1"
    else
        mv -f "$1" "$2"
    fi
else
    mv -f "$1" "$2"
fi
